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  • All sections
  • B - Performing operationstransporting
  • B42D - Booksbook coversloose leavesprinted matter characterised by identification or security featuresprinted matter of special format or style not otherwise provided fordevices for use therewith and not otherwise provided formovable-strip writing or reading apparatus
  • B42D 25/445 - Marking by removal of material using chemical means, e.g. etching

Patent holdings for IPC class B42D 25/445

Total number of patents in this class: 122

10-year publication summary

9
20
23
8
9
11
11
10
4
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Giesecke+Devrient Currency Technology GmbH
891
20
De La Rue International Limited
386
13
LEONHARD KURZ Stiftung & Co. KG
392
12
OVD Kinegram AG
198
12
Toppan Printing Co., Ltd.
2132
6
Crane & Co., Inc.
121
3
Surys
96
3
Wavefront Technology, Inc.
50
3
Toppan Inc.
758
3
Raytheon Company
8387
2
Bank of Canada
143
2
Ecole Polytechnique Federale de Lausanne (epfl)
1537
2
Fedrigoni S.p.A.
269
2
Giesecke & Devrient GmbH
874
2
Rolic AG
71
2
SICPA Holding SA
914
2
Viavi Solutions Inc.
1438
2
Giesecke+Devrient Mobile Security GmbH
497
2
IDEMIA Identity & Security USA LLC
231
2
Nano Mecca Co., Ltd.
6
2
Other owners 25

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